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प्रश्न
The correct pattern of magnetic field lines of the field produced by a current carrying circular loop is:
विकल्प
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उत्तर
Explanation:
Magnetic field lines enter from the south pole and exit from the north pole. A circular coil that conducts current has curved lines, a straight line running through the centre, and concentric circles at the coil's two opposite ends.
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संबंधित प्रश्न
The back face of a circular loop of wire is found to be south magnetic pole. The direction of current in this face of the circular loop of wire will be:
(a) towards south
(b) clockwise
(c) anticlockwise
(d) towards north
A wire, bent into a circle, carries current in an anticlockwise direction. What polarity does this face of the coil exhibit?
What is the direction of magnetic field at the centre of a coil carrying current in the anticlockwise direction?
A magnet kept at the centre of two coils A and B is moved to and fro as shown in the diagram. The two galvanometers show deflection. State with a reason whether : x > y or x< y [x and y are magnitudes of deflection.]
Answer the following question.
Explain with the help of the pattern of magnetic field lines the distribution of the magnetic field due to a current-carrying a circular loop.
State and illustrate the rule used for finding the polarity of the faces of a circular coil.
If two circular coils can be arranged in any of the three situations as shown in the diagrams below, then their mutual induction will be:
Meena draws magnetic field lines of field close to the axis of a current carrying circular loop. As she moves away from the centre of the circular loop she observes that the lines keep on diverging.
How will you explain her observation.
Why does a magnetic compass needle pointing North and South in the absence of a nearby magnet get deflected when a bar magnet or a current carrying loop is brought near it. Describe some salient features of magnetic lines of field concept.
Explain the phenomenon of electromagnetic induction. Describe an experiment to show that a current is set up in a closed loop when an external magnetic field passing through the loop increases or decreases.
